Frequency multiplexed radio frequency identification
US-10121030-B1 · Nov 6, 2018 · US
each combination of signals in different channels being represented by a fixed frequency
each combination of signals in different channels being represented by a fixed frequency · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04L5/08 |
| Official title | each combination of signals in different channels being represented by a fixed frequency |
| Display label | each combination of signals in different channels being represented by a fixed frequency |
| Total patents | 100 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 19 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 7 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption
US-10117118-B2 · Oct 30, 2018 · US
Diplexed antenna with semi-independent tilt
US-10116425-B2 · Oct 30, 2018 · US
Tunable filter for lte bands
US-2018227111-A1 · Aug 9, 2018 · US
Broadband isolation low-loss ISM/MB-HB tunable diplexer
US-9985682-B2 · May 29, 2018 · US
Electronic device and method for providing communication service
US-9973323-B2 · May 15, 2018 · US
Tunable filter for LTE bands
US-9935760-B2 · Apr 3, 2018 · US
Apparatus and method for increasing upstream capacity in a broadband communications system
US-9825772-B2 · Nov 21, 2017 · US
Bandwidth coding for channel bonding access
US-2017310420-A1 · Oct 26, 2017 · US
Mobile communication device configured with a single crystal piezo resonator structure
US-2017302428-A1 · Oct 19, 2017 · US
Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption
US-2017289826-A1 · Oct 5, 2017 · US
Apparatus and method for increasing upstream capacity in a broadband communications system
US-2017214978-A1 · Jul 27, 2017 · US
Mobile communication device configured with a single crystal piezo resonator structure
US-9716581-B2 · Jul 25, 2017 · US
Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption
US-9686698-B2 · Jun 20, 2017 · US
Dynamic Wavelength Management using Bi-Directional Communication for the Prevention of Optical Beat Interference
US-2017155453-A1 · Jun 1, 2017 · US
Antenna architecture and operational method for RF test connector reduction
US-9647742-B2 · May 9, 2017 · US
High linearity RF diplexer
US-9608688-B2 · Mar 28, 2017 · US
Wireless transmission device, wireless transmission system, and method for controlling wireless transmission device
US-9571226-B2 · Feb 14, 2017 · US
Point-to-Point Radio System Having a Phased Array Antenna System
US-2016302208-A1 · Oct 13, 2016 · US
Mechanisms for co-existence of lte-u network with itself and with other technologies
US-2016269978-A1 · Sep 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04L5/08?
- CPC H04L5/08 is the Cooperative Patent Classification code for “each combination of signals in different channels being represented by a fixed frequency.”
- How many patents are filed under CPC H04L5/08 (each combination of signals in different channels being represented by a fixed frequency)?
- Our database includes 100 publications tagged with this CPC code.
- Is patent activity under CPC H04L5/08 growing?
- Publication counts under this code: 7 in 2023 vs 2 in 2025 (latest complete years).